Home / 4,028.04-5,551.56-3,400.20

Finding the Fourth Proportional to 4,028.04, 5,551.56 and 3,400.20

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Solution

The fourth proportional to 4,028.04, 5,551.56 and 3,400.20 is: 4,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.04 : 5,551.56 = 3,400.20 : x
  2. Step 2: Convert to fraction form
    4,028.04/5,551.56 = 3,400.20/x
  3. Step 3: Cross multiply
    4,028.04x = 5,551.56 × 3,400.20
  4. Step 4: Simplify right side
    4,028.04x = 18,876,414.31
  5. Step 5: Solve for x
    x = 18,876,414.31/4,028.04
  6. Step 6: Final answer
    x = 4,686.25

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.